The company owns 43 miles (69 km) of the former Boston and Maine Corporation's Conway Branch between Rollinsford and Ossipee, New Hampshire.

It has been proposed that the tracks be upgraded for passenger service between Boston and North Conway, New Hampshire.

[3] NHN runs an average of two trains approximately five days a week: one southbound, and one northbound.

The trains generally arrive at the pit in Ossipee around 11:00 AM and depart for the CSX interchange around 2:00 PM.

"Shuttle" trains are run as needed to bring sand and gravel to the facility in Rochester.